Cooperative Resource Sharing and Pricing for Proactive Dynamic Spectrum Access via Nash Bargaining Solution
Found in:
IEEE Transactions on Parallel and Distributed Systems
By Yuan Wu,Wen-Zhan Song
Issue Date:November 2014
pp. 2804-2817
In this paper, we investigate the cooperative resource sharing and pricing for the licensed Primary User (PU) and Cognitive Radio Networks (CRNs), where the PU jointly determines how to share its under-utilized radio resource with Secondary Users (SUs) and...

Component-Average Based Distributed Seismic Tomography in Sensor Networks
Found in:
2013 IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS)
By Goutham Kamath,Lei Shi,Wen-Zhan Song
Issue Date:May 2013
pp. 88-95
Existing volcano instrumentation and monitoring system use centralized approach for data collection and image reconstruction and they lack the capability of obtaining real time information. A new distributed method is required which can obtain a high resol...

Collaborative Topology Control for Lifetime Maximization
Found in:
Mobile Ad-hoc and Sensor Networks, International Conference on
By Lei Shi,Wen-Zhan Song,Mingsen Xu,Alex Zelikovsky,Li Yu
Issue Date:December 2011
pp. 182-189
In a data collection sensor network, how to maximize the network lifetime through topology control remains an open research problem. Previous work has studied this problem by aiming to build a max-lifetime data collection tree, however, tree-based data col...

Real-World Sensor Network for Long-Term Volcano Monitoring: Design and Findings
Found in:
IEEE Transactions on Parallel and Distributed Systems
By Renjie Huang,Wen-Zhan Song,Mingsen Xu,Nina Peterson,Behrooz A. Shirazi,Richard LaHusen
Issue Date:February 2012
pp. 321-329
This paper presents the design, deployment, and evaluation of a real-world sensor network system in an active volcano—Mount St. Helens. In volcano monitoring, the maintenance is extremely hard and system robustness is one of the biggest concerns. However, ...

Design and Deployment of Sensor Network for Real-Time High-Fidelity Volcano Monitoring
Found in:
IEEE Transactions on Parallel and Distributed Systems
By Wen-Zhan Song, Renjie Huang, Mingsen Xu, Behrooz A. Shirazi, Richard LaHusen
Issue Date:November 2010
pp. 1658-1674
This paper presents the design and deployment experience of an air-dropped wireless sensor network for volcano hazard monitoring. The deployment of five self-contained stations into the rugged crater of Mount St. Helens only took one hour with a helicopter...

A Dynamic MDS-Based Localization Algorithm for Mobile Sensor Networks
Found in:
Robotics and Biomimetics, IEEE International Conference on
By Changhua Wu, Weihua Sheng, Wen-Zhan Song
Issue Date:December 2006
pp. 496-501
In this paper, we proposed a dynamic mobility-assisted MDS-based localization algorithms for sparse mobile sensor network. For sparse networks, the assumption of the existing MDS-based localization algorithms is not necessary valid and the network may even...

Time-Optimum Packet Scheduling for Many-to-One Routing in Wireless Sensor Networks
Found in:
IEEE International Conference on Mobile Adhoc and Sensor Systems Conference
By Wen-zhan Song, Fenghua Yuan, Richard LaHusen
Issue Date:October 2006
pp. 81-90
This paper studies the WSN application scenario with periodical traffic from all sensors to a sink. We present a time-optimum and energy-efficient packet scheduling algorithm and its distributed implementation. We first give a general many-to-one packet sc...

Localized Topology Control for Unicast and Broadcast in Wireless Ad Hoc Networks
Found in:
IEEE Transactions on Parallel and Distributed Systems
By Wen-Zhan Song, Xiang-Yang Li, Ophir Frieder, WeiZhao Wang
Issue Date:April 2006
pp. 321-334
<p><b>Abstract</b>—We propose a novel localized topology-control algorithm for each wireless node to locally select communication neighbors and adjust its transmission power accordingly such that all nodes together self-form a topology th...

Applications of k-Local MST for Topology Control and Broadcasting in Wireless Ad Hoc Networks
Found in:
IEEE Transactions on Parallel and Distributed Systems
By Xiang-Yang Li, Yu Wang, Wen-Zhan Song
Issue Date:December 2004
pp. 1057-1069
<p><b>Abstract</b>—In this paper, we propose a family of structures, namely, <tmath>k{\hbox{-}}{\rm{localized}}</tmath> minimum spanning tree (<tmath>{\rm{LMST}}_k</tmath>) for topology control and broadcasting in ...

Distributed Sensing for High-Quality Structural Health Monitoring using WSNs
Found in:
IEEE Transactions on Parallel and Distributed Systems
By Xuefeng Liu,Jiannong Cao,Wen-Zhan Song,Peng Guo,Zongjian He
Issue Date:April 2014
pp. 1
Due to the low cost and ease of deployment, wireless sensor networks (WSNs) are emerging as sensing paradigms that the structural engineering field has begun to consider as substitutes for traditional tethered structural health monitoring (SHM) systems. Di...

Position-Based Routing for Heterogeneous Wireless Ad Hoc Networks
Found in:
Distributed Computing Systems Workshops, International Conference on
By Kousha Moaveninejad, Wen-Zhan Song, Xiang-Yang Li
Issue Date:March 2004
pp. 710-715
Abstract?? Position based routing methods have been used successfully recently for homogeneous wireless networks when all nodes have the same transmission range, and the signal will be received by all nodes with the transmission range. All these protocols ...

Energy efficient opportunistic routing in wireless networks
Found in:
Proceedings of the 12th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems (MSWiM '09)
By Kousha Moaveni-Nejad, Ping Xu, Wen-Zhan Song, Xiang-Yang Li, Xufei Mao
Issue Date:October 2009
pp. 253-260
Opportunistic routing [1, 2] was shown to improve the network throughput greatly. The core idea is to allow any node in the forwarder list, which overhears the transmission and is closer to the destination to participate in forwarding the packet. The nodes...

Air-dropped sensor network for real-time high-fidelity volcano monitoring
Found in:
Proceedings of the 7th international conference on Mobile systems, applications, and services (Mobisys '09)
By Andy Ma, Behrooz Shirazi, Mingsen Xu, Renjie Huang, Richard LaHusen, Wen-Zhan Song
Issue Date:June 2009
pp. 1-2
This paper presents the design and deployment experience of an air-dropped wireless sensor network for volcano hazard monitoring. The deployment of five stations into the rugged crater of Mount St. Helens only took one hour with a helicopter. The stations ...

Localized topology control for heterogeneous wireless sensor networks
Found in:
ACM Transactions on Sensor Networks (TOSN)
By Wen-Zhan Song, Xiang-Yang Li, Yu Wang
Issue Date:February 2006
pp. 129-153
This article studies topology control in heterogeneous wireless sensor networks, where different wireless sensors may have different maximum transmission ranges and two nodes can communicate directly with each other if and only if they are within the maxim...

A unified energy-efficient topology for unicast and broadcast
Found in:
Proceedings of the 11th annual international conference on Mobile computing and networking (MobiCom '05)
By Weizhao Wang, Wen-Zhan Song, Xiang-Yang Li
Issue Date:August 2005
pp. 1-15
We propose a novel communication efficient topology control algorithm for each wireless node to select communication neighbors and adjust its transmission power, such that all nodes together self-form a topology that is energy efficient simultaneously for ...